LIGNA
Red mud is half a binder already: Trinity takes it into a quarry's batching plant
Trinity College Dublin trials a red-mud geopolymer in existing batching kit: 67.8–79.8 % lower carbon than CEM II-A/L, 109.7 % strength after freeze-thaw.
A welding torch pulsing six times a minute grows a metre of single-crystal titanium
A Nature paper from Beijing, Tsinghua, Xi'an Jiaotong and UCLA grows metre-tall Ti-6Al-4V single crystals by pulsing a WAAM torch. What it means for AEC.
Cold makes iron brittle. Two Oxford–Berkeley alloys stay tough at -253 °C
A Nature paper shows two Nb-Ti alloys with no brittle transition down to 20 K. Liberty ships, Tipper, and what S355J2 means under SIA 263.010.
Aerogels: The Frozen Smoke That Gives a Zurich Wall Its Square Metres Back
Aerogel insulates better than still air. How nano-pores stop heat, where Swiss facades use it, and a short Python check for the floor area it gives back.
Wood laid like rebar: Stuttgart's flat timber slab carries 20 tonnes at 36 cm
ICD/ITKE Stuttgart load-tested a two-way timber-concrete flat slab on columns: 36 cm deep, grain computed per segment. What it means for Swiss offices.
I closed my carbon books before my first desk arrived
Fisher & Paykel's Auckland mass-timber diagrid closed its carbon books at 1,089 t ahead — but 'ahead' holds under only one of three LCA conventions.
Timber Shell Structures: How a Few Centimetres of Curved Wood Learn to Span a Hall
How timber shells carry load in-plane like Mannheim's lath net and BUGA's 376 cassettes — form-finding, faceting, buckling, and building for disassembly.
Piezoelectric Materials: How a Building Learns to Feel Its Own Load
A PAZ foundation essay on piezoelectricity — from the Curies' 1880 discovery to why d33 makes it a superb structural sensor and a poor power harvester.
The Metal That Un-Remembers Damage: Shape Memory Materials, Explained
How Nitinol and shape memory alloys separate damage from deformation — the physics of self-centering seismic braces, from Buehler's 1965 patent to Assisi.
Computational Nanomechanics: Why a Material's Strength Is Grown, Not Looked Up
Why a material's strength is an emergent, atom-scale behaviour — and how architects can interrogate nano-reinforced datasheets instead of trusting them.